Ironically, you left out the one book that he wrote that may have some relevance to Spinal cord injury.
The Tumor is a free book that Grisham has written to raise awareness of a new treatment called focused ultrasound and how it may be able to save a particular cancer patient. Grisham is on the board of a charitable foundation that believes it is the best hope for future patients in many different areas of medicine.
according to this chart here, for what it's worth, it's actually in preclinical trials for SCI.
In the past, there have been attorneys who were members of this forum - if they are still here, maybe they will see your posts and offer some input.
MS with cervical and thoracic cord lesions